def plot_network(network):
"""
Compas Network Plotter
"""
plotter=NetworkPlotter(network)
plotter.draw_nodes(radius=0.001, text='key', fontsize=15.0, facecolor=(0, 0, 0))
plotter.draw_edges()
plotter.show()
def plot(self,
vertexcolor=None,
edgecolor=None,
vertexsize=None,
edgewidth=None,
vertextext=None,
edgetext=None):
"""Plot a 2D representation of the network.
Parameters
----------
vertexcolor : dict, optional
A dictionary mapping vertex identifiers to colors.
edgecolor : dict, optional
A dictionary mapping edge identifiers to colors.
vertexsize : dict, optional
A dictionary mapping vertex identifiers to sizes.
edgewidth : dict, optional
A dictionary mapping edge identifiers to widths.
vertextext : dict, optional
A dictionary mappping vertex identifiers to labels.
edgetext : dict, optional
A dictionary mappping edge identifiers to labels.
Examples
--------
.. plot::
:include-source:
import compas
from compas.datastructures import Network
network = Network.from_obj(compas.get('lines.obj'))
network.plot()
"""
from compas_plotters import NetworkPlotter
plotter = NetworkPlotter(self)
plotter.draw_vertices(facecolor=vertexcolor,
radius=vertexsize,
text=vertextext)
plotter.draw_edges(color=edgecolor, width=edgewidth, text=edgetext)
plotter.show()
import compas
from compas.datastructures import Network
from compas_plotters import NetworkPlotter
network = Network.from_obj(compas.get('grid_irregular.obj'))
node = next(network.nodes())
nbrs = network.neighbors(node)
facecolor = {node: (255, 0, 0)}
for nbr in nbrs:
facecolor[nbr] = (0, 0, 255)
edgecolor = {}
for nbr in nbrs:
edgecolor[node, nbr] = (0, 255, 0)
edgecolor[nbr, node] = (0, 255, 0)
plotter = NetworkPlotter(network, figsize=(12, 7.5))
plotter.draw_nodes(facecolor=facecolor)
plotter.draw_edges(color=edgecolor, width={edge: 2.0 for edge in edgecolor})
plotter.show()
import compas
from compas.datastructures import Network
from compas_plotters import NetworkPlotter
network = Network.from_obj(compas.get('grid_irregular.obj'))
text = {node: str(node) for node in network.nodes()}
plotter = NetworkPlotter(network, figsize=(12, 7.5))
plotter.draw_nodes(text=text, radius=0.2)
plotter.draw_edges()
plotter.show()
cloads = Array2D(loads, 'double')
cq = Array1D(q, 'double')
cfixed = Array1D(fixed, 'int')
cfree = Array1D(free, 'int')
lib.fd.argtypes = [
ctypes.c_int, ctypes.c_int, ctypes.c_int, cvertices.ctype, cedges.ctype,
cloads.ctype, cq.ctype, cfixed.ctype, cfree.ctype
]
lib.fd(ctypes.c_int(len(vertices)), ctypes.c_int(len(edges)),
ctypes.c_int(len(fixed)), cvertices.cdata, cedges.cdata, cloads.cdata,
cq.cdata, cfixed.cdata, cfree.cdata)
xyz = cvertices.pydata
for key, attr in network.vertices(True):
attr['x'] = float(xyz[key][0])
attr['y'] = float(xyz[key][1])
attr['z'] = float(xyz[key][2])
zmax = max(network.get_vertices_attribute('z'))
plotter = NetworkPlotter(network, figsize=(10, 7))
plotter.draw_vertices(facecolor={
key: i_to_red(attr['z'] / zmax)
for key, attr in network.vertices(True)
})
plotter.draw_edges()
plotter.show()
from compas_plotters import NetworkPlotter
network = Network.from_obj(compas.get('lines.obj'))
a = network.split_edge(0, 22)
b = network.split_edge(2, 30)
c = network.split_edge(17, 21)
d = network.split_edge(28, 16)
lines = []
for u, v in network.edges():
lines.append({
'start': network.vertex_coordinates(u, 'xy'),
'end' : network.vertex_coordinates(v, 'xy'),
'arrow': 'end',
'width': 4.0,
'color': '#00ff00'
})
plotter = NetworkPlotter(network)
plotter.draw_vertices(radius=0.2,
facecolor={key: '#ff0000' for key in (a, b, c, d)},
text={key: key for key in network.vertices()})
plotter.draw_edges(color={(u, v): '#cccccc' for u, v in network.edges()})
plotter.draw_lines(lines)
plotter.show()
# ==============================================================================
if __name__ == '__main__':
import compas
from compas.datastructures import Network
from compas_plotters import NetworkPlotter
network = Network.from_obj(compas.get('lines.obj'))
network.add_edge(6, 15)
if not network_is_planar(network):
crossings = network_find_crossings(network)
else:
crossings = []
print(crossings)
plotter = NetworkPlotter(network)
plotter.draw_vertices(radius=0.15,
text={key: key
for key in network.vertices()})
plotter.draw_edges(
color={edge: '#ff0000'
for edges in crossings for edge in edges})
plotter.show()
width={uv: 5.0
for uv in edges})
plotter.update()
# callback for the pick event
def onpick(event):
index = event.ind[0]
shortest_path_to(index)
# path to the sample file
DATA = os.path.join(os.path.dirname(__file__), '..', 'data')
FILE = os.path.join(DATA, 'grid_irregular.obj')
# load a network from an OBJ file
network = Network.from_obj(FILE)
# define the starting point
start = 21
# create plotter
# draw the original configuration
# register the pick callback
# show the viewer
plotter = NetworkPlotter(network, figsize=(10, 7))
plotter.draw_vertices(facecolor={start: '#ff0000'}, radius=0.15, picker=10)
plotter.draw_edges()
plotter.register_listener(onpick)
plotter.show()
}
start = 21
end = 11
path = shortest_path(adjacency, start, end)
edges = []
for i in range(len(path) - 1):
u = path[i]
v = path[i + 1]
if v not in network.edge[u]:
u, v = v, u
edges.append([u, v])
plotter = NetworkPlotter(network, figsize=(10, 8), fontsize=6)
plotter.draw_vertices(
text={key: key
for key in network.vertices()},
facecolor={key: '#ff0000'
for key in (path[0], path[-1])},
radius=0.15)
plotter.draw_edges(color={(u, v): '#ff0000'
for u, v in edges},
width={(u, v): 5.0
for u, v in edges})
plotter.show()
components.append(list(visited))
return components
# ==============================================================================
# Main
# ==============================================================================
if __name__ == "__main__":
import compas
from compas.datastructures import Network
from compas_plotters import NetworkPlotter
network = Network.from_obj(compas.get('grid_irregular.obj'))
components = connected_components(network.adjacency)
key_color = vertex_coloring(network.adjacency)
colors = ['#ff0000', '#00ff00', '#0000ff', '#ffff00']
plotter = NetworkPlotter(network, figsize=(10, 7))
plotter.draw_vertices(
facecolor={key: colors[key_color[key]]
for key in network.vertices()})
plotter.draw_edges()
plotter.show()
# Main
# ==============================================================================
if __name__ == '__main__':
import compas
from compas.datastructures import Network
from compas_plotters import NetworkPlotter
network = Network.from_obj(compas.get('lines.obj'))
network.add_edge(6, 15)
if not network_is_planar(network):
crossings = network_find_crossings(network)
else:
crossings = []
print(crossings)
plotter = NetworkPlotter(network, figsize=(8, 5))
plotter.defaults['node.fontsize'] = 6
plotter.draw_nodes(radius=0.15, text={key: key for key in network.nodes()})
plotter.draw_edges(
color={edge: '#ff0000'
for edges in crossings for edge in edges})
plotter.show()
try:
ad = network.get_edge_attribute((fkey, nbr), 'angle_diff')
if ad:
continue
except:
network.add_edge(fkey, nbr, attr_dict={'angle_diff': angle_diff})
# # ==========================================================================
# # color up
# # ==========================================================================
anglemax = max(network.get_edges_attribute('angle_diff'))
print('angle diff max', anglemax)
colors = {}
for u, v, attr in network.edges(True):
angle_diff = attr['angle_diff']
color = i_to_rgb(angle_diff / anglemax)
colors[(u, v)] = color
# # ==========================================================================
# # Set up Plotter
# # ==========================================================================
plotter = NetworkPlotter(network, figsize=(12, 9))
# plotter.draw_faces(facecolor=colors)
plotter.draw_vertices(radius=0.01)
plotter.draw_edges(color=colors)
plotter.show()
structure = Network.from_obj(compas.get('lines.obj'))
structure.update_default_vertex_attributes({'is_fixed': False, 'P': [1, 1, 0]})
structure.update_default_edge_attributes({'E': 10, 'A': 1, 'ct': 't'})
structure.vertices_attributes(['is_fixed', 'B'], [True, [0, 0, 0]],
structure.leaves())
lines = []
for u, v in structure.edges():
lines.append({
'start': structure.vertex_coordinates(u, 'xy'),
'end': structure.vertex_coordinates(v, 'xy'),
'color': '#cccccc'
})
plotter = NetworkPlotter(structure, figsize=(10, 7))
plotter.draw_vertices(facecolor={
key: '#ff0000'
for key in structure.vertices_where({'is_fixed': True})
})
plotter.draw_lines(lines)
plotter.draw_edges()
def callback(X, k_i):
for key in structure.vertices():
x, y, z = X[k_i[key], :]
structure.vertex_attributes(key, 'xyz', [x, y, z])
plotter.update_edges()
plotter.update(pause=0.01)
# make network from sample file
network = Network.from_obj(FILE)
# specify start and end
start = 21
end = 11
# compute the shortest path taking into account the edge weights
path = shortest_path(network.adjacency, start, end)
# convert the path to network edges
edges = [(v, u) if not network.has_edge(u, v) else (u, v)
for u, v in pairwise(path)]
# make a plotter
plotter = NetworkPlotter(network, figsize=(10, 7))
# set default font sizes
plotter.defaults['vertex.fontsize'] = 6
plotter.defaults['edge.fontsize'] = 6
# draw the vertices
plotter.draw_vertices(
text='key',
facecolor={key: '#ff0000'
for key in (path[0], path[-1])},
radius=0.15)
# draw the edges
plotter.draw_edges(color={(u, v): '#ff0000'
for u, v in edges},
if __name__ == '__main__':
import compas_ags
from compas_plotters import NetworkPlotter
form = FormDiagram.from_obj(compas_ags.get('paper/fink.obj'))
lines = []
for u, v in form.edges():
lines.append({
'start': form.vertex_coordinates(u),
'end': form.vertex_coordinates(v),
'color': '#cccccc',
'width': 0.5,
})
form.identify_fixed()
vcolor = {key: '#ff0000' for key in form.fixed()}
vlabel = {key: key for key in form.vertices()}
elabel = {key: str(index) for index, key in enumerate(form.edges())}
plotter = NetworkPlotter(form, figsize=(10.0, 7.0), fontsize=8)
plotter.draw_lines(lines)
plotter.draw_vertices(facecolor=vcolor, text=vlabel, radius=0.3)
plotter.draw_edges(text=elabel)
plotter.show()
import random
import compas
from compas.datastructures import Network
from compas.utilities import pairwise
from compas_plotters import NetworkPlotter
network = Network.from_obj(compas.get('grid_irregular.obj'))
plotter = NetworkPlotter(network, figsize=(12, 7.5))
nodecolor = (0, 255, 0)
edgecolor = (0, 255, 0)
edgewidth = 3 * plotter.defaults['edge.width']
node_color = {}
edge_color = {}
edge_width = {}
start = random.choice(list(network.leaves()))
goal = random.choice(list(network.leaves()))
nodes = network.shortest_path(start, goal)
for u, v in pairwise(nodes):
node_color[v] = nodecolor
edge_color[u, v] = edge_color[v, u] = edgecolor
edge_width[u, v] = edge_width[v, u] = edgewidth
node_color[start] = (255, 0, 0)
node_color[goal] = (0, 0, 255)
plotter.draw_nodes(facecolor=node_color)
plotter.draw_edges(color=edge_color, width=edge_width)
import compas
from compas.datastructures import Network
from compas_plotters import NetworkPlotter
network = Network.from_obj(compas.get('lines.obj'))
plotter = NetworkPlotter(network, figsize=(12, 7.5))
plotter.draw_nodes()
plotter.draw_edges()
plotter.show()
attr['x'] += damping * (cx - x)
attr['y'] += damping * (cy - y)
attr['z'] += damping * (cz - z)
if callback:
callback(k, callback_args)
# ==============================================================================
# Main
# ==============================================================================
if __name__ == "__main__":
import compas
from compas.datastructures import Network
from compas_plotters import NetworkPlotter
network = Network.from_obj(compas.get('grid_irregular.obj'))
fixed = network.leaves()
network_smooth_centroid(network, fixed=fixed)
plotter = NetworkPlotter(network, figsize=(8, 5))
plotter.draw_nodes(facecolor={key: '#ff0000' for key in fixed})
plotter.draw_edges()
plotter.show()
attr['z'] = xyz[key][2]
# make a network
network = Network.from_obj(FILE)
# identify the fixed vertices
leaves = network.vertices_where({'vertex_degree': 1})
network.set_vertices_attribute('is_fixed', True, keys=leaves)
# assign random prescribed force densities to the edges
for uv in network.edges():
network.set_edge_attribute(uv, 'qpre', 1.0 * random.randint(1, 7))
# make a plotter for (dynamic) visualization
plotter = NetworkPlotter(network, figsize=(10, 7))
# plot the starting configuration
plotter.draw_vertices(facecolor={
key: '#000000'
for key in network.vertices_where({'is_fixed': True})
})
plotter.draw_edges()
plotter.update(pause=1.0)
# run the DR
network_dr(network, kmax=50, callback=callback)
# plot the final configuration
plotter.draw_vertices(facecolor={
key: '#000000'
import compas
from compas.datastructures import Network
from compas_plotters import NetworkPlotter
network = Network.from_obj(compas.get('lines_noleaves.obj'))
plotter = NetworkPlotter(network, figsize=(12, 7.5))
corners = list(network.nodes_where({'degree': 2}))
# network.smooth(fixed=corners)
plotter.draw_nodes(facecolor={node: (255, 0, 0) for node in corners})
plotter.draw_edges()
plotter.show()
network = Network.from_vertices_and_edges(vertices=vertices, edges=edges)
network.update_default_vertex_attributes({
'is_fixed': False,
'P': [1, -2, 0],
'EIx': EI,
'EIy': EI
})
network.update_default_edge_attributes({'E': 50, 'A': 1, 'l0': L / n})
network.set_vertices_attributes(['B', 'is_fixed'], [[0, 0, 0], True],
keys=pins)
network.attributes['beams'] = {'beam': {'nodes': list(range(n))}}
# Plotter
plotter = NetworkPlotter(network, figsize=(10, 7))
# Initial configuration
lines = []
for u, v in network.edges():
lines.append({
'start': network.vertex_coordinates(u, 'xy'),
'end': network.vertex_coordinates(v, 'xy'),
'color': '#cccccc',
'width': 1.0
})
plotter.draw_lines(lines)
plotter.draw_vertices(radius=0.005, facecolor={key: '#ff0000' for key in pins})
plotter.draw_edges()
weight[(0, 18)] = 100
weight[(18, 0)] = 100
# specify start and end
start = 21
end = 19
# compute the shortest path taking into account the edge weights
path = dijkstra_path(network.adjacency, weight, start, end)
# convert the path to network edges
edges = [(v, u) if not network.has_edge(u, v) else (u, v)
for u, v in pairwise(path)]
# make a plotter
plotter = NetworkPlotter(network, figsize=(8, 5))
# set default font sizes
plotter.defaults['vertex.fontsize'] = 6
plotter.defaults['edge.fontsize'] = 6
# draw the vertices
plotter.draw_vertices(
text='key',
facecolor={key: '#ff0000'
for key in (path[0], path[-1])},
radius=0.15)
# set the edge widths and colors
color = {}
width = {}
from compas.datastructures import Network
from compas_plotters import NetworkPlotter
network = Network.from_obj(compas.get('lines.obj'))
u, v = network.get_any_edge()
a = network.split_edge(u, v)
lines = []
for u, v in network.edges():
lines.append({
'start': network.vertex_coordinates(u, 'xy'),
'end' : network.vertex_coordinates(v, 'xy'),
'arrow': 'end',
'width': 4.0,
'color': '#00ff00'
})
plotter = NetworkPlotter(network)
plotter.draw_lines(lines)
plotter.draw_vertices(
radius=0.2,
text={key: key for key in network.vertices()},
facecolor={key: '#ff0000' for key in (a,)}
)
plotter.draw_edges()
plotter.show()
vertices = network.get_vertices_attributes(('x', 'y', 'z'))
edges = list(network.edges())
fixed = network.vertices_where({'is_fixed': True})
loads = network.get_vertices_attributes(('px', 'py', 'pz'))
qpre = network.get_edges_attribute('qpre')
fpre = network.get_edges_attribute('fpre')
lpre = network.get_edges_attribute('lpre')
linit = network.get_edges_attribute('linit')
E = network.get_edges_attribute('E')
radius = network.get_edges_attribute('radius')
# make a plotter for (dynamic) visualization
# and define a callback function
# for plotting the intermediate configurations
plotter = NetworkPlotter(network, figsize=(10, 7), fontsize=6)
def callback(k, xyz, crits, args):
print(k)
plotter.update_vertices()
plotter.update_edges()
plotter.update(pause=0.001)
for key, attr in network.vertices(True):
attr['x'] = xyz[key][0]
attr['y'] = xyz[key][1]
attr['z'] = xyz[key][2]
# plot the lines of the original configuration of the network
# as a reference
plotter.show()
# ==============================================================================
# Main
# ==============================================================================
if __name__ == '__main__':
import compas
from compas_plotters import NetworkPlotter
network = Network.from_obj(compas.get('lines.obj'))
plotter = NetworkPlotter(network, figsize=(10, 7))
plotter.defaults['vertex.fontsize'] = 8
network.delete_vertex(17)
plotter.draw_vertices(text='key', radius=0.2)
plotter.draw_edges()
plotter.show()
vertices = {44: [0.0, 0.0, 0.0], 38: [1.0, 0.0, 0.0], 2: [2.0, 0.0, 0.0]}
edges = [(44, 38), (38, 2)]
network = Network.from_vertices_and_edges(vertices, edges)
print(network)
class AssemblyPlotter(Plotter):
"""An ``AssemblyPlotter`` combines the functionality of a ``NetworkPlotter``
and a ``MeshPlotter`` and uses the same set of axes for all drawing output.
Parameters
----------
assembly : Assembly
The assembly data structure.
Notes
-----
For all other relevant parameters, see ``Plotter``.
Examples
--------
>>>
"""
def __init__(self, assembly, **kwargs):
super(AssemblyPlotter, self).__init__(**kwargs)
self.assembly = assembly
self.assembly_plotter = NetworkPlotter(self.assembly, axes=self.axes)
self.block_plotter = MeshPlotter(None, axes=self.axes)
self.blockcollection = None
def draw_nodes(self, *args, **kwargs):
"""Draw the nodes of an assembly.
Parameters
----------
Examples
--------
>>>
"""
return self.assembly_plotter.draw_nodes(*args, **kwargs)
def draw_edges(self, *args, **kwargs):
"""Draw the edges of an assembly.
"""
self.assembly_plotter.draw_edges(*args, **kwargs)
def clear_blocks(self):
if self.blockcollection:
self.blockcollection.remove()
def draw_blocks(self,
nodes=None,
facecolor=None,
edgecolor=None,
edgewidth=None,
textcolor=None,
fontsize=None):
"""Draw the blocks of an assembly.
Notes
-----
The blocks are drawn as the boundaing boxes of their vertices.
"""
nodes = nodes or list(self.assembly.nodes())
node_facecolor = valuedict(
nodes, facecolor, self.block_plotter.defaults['face.facecolor'])
node_edgecolor = valuedict(
nodes, edgecolor, self.block_plotter.defaults['face.edgecolor'])
node_edgewidth = valuedict(
nodes, edgewidth, self.block_plotter.defaults['face.edgewidth'])
polygons = []
for node in nodes:
block = self.assembly.node_attribute(node, 'block')
for face in block.faces():
polygons.append({
'points': block.face_coordinates(face),
'edgecolor': node_edgecolor[node],
'edgewidth': node_edgewidth[node],
'facecolor': node_facecolor[node]
})
collection = self.draw_polygons(polygons)
self.blockcollection = collection
return collection
widths = default_linewidths[:]
colors[start] = highlight_color
for u, v in pairwise(nodes):
colors[v] = highlight_color
widths[edge_index[u, v]] = highlight_width
plotter.nodecollection.set_facecolor(colors)
plotter.edgecollection.set_linewidths(widths)
plotter.update()
network = Network.from_obj(compas.get('grid_irregular.obj'))
goal = choice(list(network.leaves()))
index_node = network.index_key()
edge_index = network.uv_index()
edge_index.update({(v, u): index for (u, v), index in edge_index.items()})
plotter = NetworkPlotter(network, figsize=(10, 8))
plotter.draw_nodes(radius=0.1, picker=10)
plotter.draw_edges()
default_colors = [(1, 1, 1) for key in network.nodes()]
highlight_color = (1, 0, 0)
default_colors[goal] = highlight_color
default_linewidths = [1.0 for key in network.edges()]
highlight_width = 3.0
plotter.nodecollection.set_facecolor(default_colors)
plotter.register_listener(on_pick)
plotter.show()
def __init__(self, assembly, **kwargs):
super(AssemblyPlotter, self).__init__(**kwargs)
self.assembly = assembly
self.assembly_plotter = NetworkPlotter(self.assembly, axes=self.axes)
self.block_plotter = MeshPlotter(None, axes=self.axes)
self.blockcollection = None
'EIy': EI
})
structure.update_default_edge_attributes({'E': 50, 'A': 1, 'l0': L / n})
structure.get_vertices_attributes(['B', 'is_fixed'], [[0, 0, 0], True],
structure.leaves())
structure.attributes['beams'] = {'beam': {'nodes': list(range(n))}}
lines = []
for u, v in structure.edges():
lines.append({
'start': structure.vertex_coordinates(u, 'xy'),
'end': structure.vertex_coordinates(v, 'xy'),
'color': '#cccccc'
})
plotter = NetworkPlotter(structure, figsize=(8, 5))
plotter.draw_vertices(radius=0.005,
facecolor={
i: '#ff0000'
for i in structure.vertices_where({'is_fixed': True})
})
plotter.draw_lines(lines)
plotter.draw_edges()
def callback(X, k_i):
for key in structure.vertices():
x, y, z = X[k_i[key], :]
structure.set_vertex_attributes(key, 'xyz', [x, y, z])
plotter.update_edges()
end = choice(leaves)
# construc an adjacency dict
# add weight to the edges corresponding to their length
# compute the shortest path
adjacency = {key: network.vertex_neighbors(key) for key in network.vertices()}
weight = {(u, v): network.edge_length(u, v) for u, v in network.edges()}
weight.update({(v, u): weight[(u, v)] for u, v in network.edges()})
path = dijkstra_path(adjacency, weight, start, end)
# visualize the result
plotter = NetworkPlotter(network, figsize=(10, 8), fontsize=6)
edges = []
for u, v in pairwise(path):
if v not in network.edge[u]:
u, v = v, u
edges.append([u, v])
plotter.draw_vertices(
text={key: key
for key in (start, end)},
facecolor={key: '#ff0000'
for key in (path[0], path[-1])},
radius=0.15)
plotter.draw_edges(color={(u, v): '#ff0000'